code: def __init__(self, data_index, data_label):
      self.data_index = data_index
      self.data_label = data_label
  
file_path: PGL/examples/gnn_depoly/node_classification_with_sampling/dataset.py
imports: import numpy
  import paddle
  from paddle.io import Dataset, DataLoader
  from pgl.sampling import graphsage_sample
label_desc: Use image node_id 1 to create a new ShardedDataset object from inherited base classes: Dataset with example: obj = ShardedDataset(data_index, data_label)